1. Does getContentPane().add() mean the same as add() stackoverflow.comDoes getContentPane().add() mean the same as add() ? |
2. JAVA: Ways to fill a Frame. add(), setContentPane(), getContentPane() stackoverflow.comI found three ways too fill my JFrame frame = new JFrame("...") createContentPanel returns a JPanel and createToolBar returns a ToolBar. |
3. What is the difference between JFrame.getContentPane() and JFrame.getRootPane()? stackoverflow.comWhat is the difference between Java frame functions |
4. when should I use JFrame.add(component) and JFrame.getContentPane().add(component) in java stackoverflow.comIs there a difference between them and are there any conditions in which one should be used instead of the other? |
5. getContentPane() in JFrame coderanch.com |
6. getContentPane() coderanch.com |
7. getContentPane() coderanch.com |
8. getContentPane() coderanch.com |
9. JFrame.getContentPane() coderanch.com |
10. downsides omitting getContentPane() coderanch.comThe 1.4 implementation of JFrame.add() throws an exception. The 1.5 implementation calls getContentFrame().add(). As long as you're not running on 1.4 or earlier (i.e., if you're using other 1.5 features) then there's no downside to using this shortcut. Frankly, the old behavior was a silly mistake and they should have done the shortcut in the first place. |
11. getContentPane coderanch.com |
12. with getContentPane() or not coderanch.comimport java.awt.*; import javax.swing.*; import java.awt.event.*; import javax.swing.event.*; public class Buttons extends JFrame{ public void addButtons(){ JPanel p = new JPanel(); JButton b1 = new JButton("Button 1"); JButton b2 = new JButton("Button 2"); p.setLayout(new FlowLayout(FlowLayout.LEFT)); p.add(b1); p.add(b2); // getContentPane().add(p,BorderLayout.NORTH); add(p,BorderLayout.NORTH); } public static void main(String args[]){ Buttons butt = new Buttons(); butt.addButtons(); butt.setVisible(true); butt.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } } |
13. Mystery - getContentPane() JFrame coderanch.com |
14. Polymorphism? Inheritance getContentPane coderanch.comBelow are A, B, C and TestABC classes. B extends A, C extends B and TestABC is used to test A, B and C. public class A{ public A(){ System.out.println("A is created"); } public void aMethod(){ System.out.println("This is Class A\'s Method"); } } public class B extends A{ public B(){ System.out.println("B is created"); } public void bMethod(){ System.out.println("This is Class B\'s ... |
16. frame.getContentPane() coderanch.com |
17. getContentPane() coderanch.com |
18. getContentPane()? coderanch.comHello All, Saw a code in a recent textbook saying everything must be added to the contentPane before being added to the Panel. But in another recent book, I was made to know that it is not compulsory that you can easily just use the add to the frame and it gets loaded to the contentPane automatically, which I have tried ... |
19. getContentPane not displaying text java-forums.orgWorking through 'Learning Java' and this particular code doesn't work properly. Its meant to change the color of the text each time the button is clicked. Well, It creates the frame and the button, but no text to change colors. Any help?? Thanks. Java Code: //file: HelloJava3.java import java.awt.*; import java.awt.event.*; import javax.swing.*; public class HelloJava3 extends JComponent implements MouseMotionListener, ActionListener ... |
20. using getContentPane() in JFrame class forums.oracle.comHello, I'm reading Bruce Eckel's book. In chaapter 14, I read TextArea.java. My question is: What is the purpose of getContentPane() in the constructor TextArea() in the code below ? Isn't JFrame IS a Container ? why bother to get another Container ? import javax.swing.*; import java.awt.event.*; import java.awt.*; import java.util.*; import com.bruceeckel.swing.*; import com.bruceeckel.util.*; public class TextArea extends JFrame { ... |